:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #eef2f7;
  color: #172033;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background: #eef2f7;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(100%, 28rem);
  border: 1px solid #d9e0ea;
  border-radius: 1rem;
  background: #ffffff;
  padding: 2rem;
  box-shadow: 0 1rem 3rem rgba(16, 26, 44, 0.08);
}

.brand-mark {
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  border-radius: 0.75rem;
  background: #132039;
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 800;
}

.kicker {
  margin: 1.5rem 0 0.35rem;
  color: #53627a;
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 2.8rem);
  letter-spacing: -0.04em;
}

.login-card > p:not(.kicker, .security-note, .error) {
  margin: 1rem 0 1.5rem;
  color: #53627a;
  line-height: 1.6;
}

.google-button {
  display: flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border: 1px solid #bcc6d5;
  border-radius: 0.65rem;
  color: #172033;
  font-weight: 750;
  text-decoration: none;
}

.google-button:hover { background: #f7f9fc; }
.google-button:focus-visible { outline: 3px solid #719cf4; outline-offset: 3px; }
.google-button span { color: #276be9; font-size: 1.1rem; }

.security-note {
  margin: 1.25rem 0 0;
  color: #6a768a;
  font-size: 0.82rem;
  line-height: 1.5;
}

.error {
  margin: 1rem 0 0;
  border-left: 3px solid #b42318;
  background: #fff1f0;
  color: #7a271a;
  padding: 0.75rem;
  font-size: 0.9rem;
}